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Maps

Mauna Loa maps.

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September 20, 2020—HVO camera network map

Map of the USGS Hawaiian Volcano Observatory’s current camera network coverage. 

June 5, 2020—Subaerial extents of Mauna Loa lava flows from the past 200 years

Map showing the subaerial extents of historical lava flows from Mauna Loa. Lava flow hazard zones and districts of the County of Hawai‘i are also depicted.

2019—Geologic map of the central-southeast flank of Mauna Loa

"Geologic map of the central-southeast flank of Mauna Loa" (https://pubs.er.usgs.gov/publication/sim2932B)

February 15, 2018—Why are HVO scientists talking so much about Mauna Loa?

Mauna Loa, Earth's largest active volcano, has erupted 33 times since 1843, producing the lava flows shown in black. 

Map of post-1823 lava flows erupted from Mauna Loa

Slope map of Mauna Loa, including lava flows erupted since 1823 (gray), showing the approximate number of hours or days it took for a flow to advance from the vent location to the ocean or maximum reach of a flow. 

2012—Island of Hawai‘i map, showing Mauna Loa

Island of Hawai‘i map, showing Mauna Loa and the other four volcanoes that make up the island. Mauna Loa structural features include summit caldera, rift zones, radial vents, and historical lava flows.

Map of lava flows that have erupted on Mauna Loa Volcano — 1843-1985

Map of lava flows that have erupted on Mauna Loa Volcano from 1843-1984.

Earthquakes at Mauna Loa from June 2013 to June 2015

Earthquakes at Mauna Loa from June 2013 to June 2015. Green circles are 0-5 km (0-3 mi) deep and similar to ones prior to 1975 and 1984 eruptions, but cluster of 5-10 km (3-6 mi) deep quakes missing.

October 26, 2017—USGS maps identify lava inundation zones for Mauna Loa

Close up of Sheet 2 of "Lava inundation zone maps for Mauna Loa, Island of Hawai‘i," recently published by the U.S. Geological Survey. Colors depict lava Inundation zones for the Kaumana, Waiākea, and Volcano-Mountain View regions on Mauna Loa. 

July 13, 2017—New map reveals geologic history: Mauna Loa Volcano's NE flank

"Geologic map of the northeast flank of Mauna Loa volcano, Island of Hawai‘i," published by the U.S. Geological Survey in May 2017, shows the distribution of lava flows and other deposits covering an area from Pu‘u‘Ula‘ula ("Red Hill") on the southwest to Hilo on the northeast.